Home / 88,429-122,135.70-58,569.16

Finding the Fourth Proportional to 88,429, 122,135.70 and 58,569.16

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Solution

The fourth proportional to 88,429, 122,135.70 and 58,569.16 is: 80,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,429 : 122,135.70 = 58,569.16 : x
  2. Step 2: Convert to fraction form
    88,429/122,135.70 = 58,569.16/x
  3. Step 3: Cross multiply
    88,429x = 122,135.70 × 58,569.16
  4. Step 4: Simplify right side
    88,429x = 7,153,385,355.01
  5. Step 5: Solve for x
    x = 7,153,385,355.01/88,429
  6. Step 6: Final answer
    x = 80,894.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.